CVE-2021-39806

HIGH

Google Android - Double Free

Title source: rule

Description

In closef of label_backends_android.c, there is a possible way to corrupt memory due to a double free. This could lead to local escalation of privilege during startup of servicemanager, if an attacker can trigger an initialization failure, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-215387420

Scores

CVSS v3 7.8
EPSS 0.0001
EPSS Percentile 2.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-415
Status published

Affected Products (1)

google/android

Timeline

Published Jun 15, 2022
Tracked Since Feb 18, 2026